[Mikrotik] MPLS/VPLS in a production WISP network

Tristram Cheer mikrotik at tristramcheer.com
Tue Mar 22 04:01:23 CDT 2011


We run a MPLS core running OSPF for LDP and BGP for dynamic VPLS's for about
9 months now on a production network of 100 core routers and 1000+ clients

ROS 4 upto 4.13 has some major routing crash issues with OSPF, This was
fixed in 4.13 but recently we've hit another load bug that was fixed by
4.16.

Some more info about the issues you've had would help, Versions/Designs etc
etc. I can almost say for certain that your MTU issues with 1496 will be a
config detail somewhere thats been missed, We has real issue with it in the
lab untill we finally nailed things out

On 22 March 2011 21:53, Andrew Thrift <andrew at networklabs.co.nz> wrote:

> Hello,
>
> I have recently been doing some testing of MPLS/VPLS on a WISP network, and
> so far my experiences have been quite poor.
>
> Issues experienced so far:
>
> -    VPLS tunnels being up but not passing packets
> -    VPLS tunnels only passing 1496 byte packets, even with sufficient
> MPLS/Path MTU
> -    LSR's rebooting under load
>
> All testing so far has been on 5.0rc9,10 and 11
>
>
> I was wondering if anyone else is running MPLS/VPLS in their WISP
> network,and has it been a success,    or am i breaking new ground here ?
>
>
>
>
> Regards,
>
>
>
>
>
> Andrew Thrift
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> Visit http://blog.butchevans.com/ for tutorials related to Mikrotik
> RouterOS
>
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